Select any two GPUs for comparison

Gaming Performance Comparison

Recommended System Requirements
Game GeForce GTX 660 Zotac AMP Edition FirePro W9000
Red Dead Redemption 2 106% 95%
Cyberpunk 2077 183% 168%
Doom Eternal 77% 68%
Call of Duty: Modern Warfare 106% 95%
Dragon Ball Z Kakarot 27% 21%
Halo: Reach 35% 38%
Microsoft Flight Simulator 183% 168%
Star Wars: Jedi - Fallen Order 183% 168%
Grand Theft Auto VI 215% 199%
Need For Speed Heat 106% 95%

In terms of overall gaming performance, the graphical capabilities of the AMD FirePro W9000 are very slightly better than the Nvidia GeForce GTX 660 Zotac AMP Edition.

The GTX 660 has a 71 MHz higher core clock speed than the FirePro W9000, but the FirePro W9000 has 48 more Texture Mapping Units than the GTX 660. As a result, the FirePro W9000 exhibits a 41.1 GTexel/s better Texture Fill Rate than the GTX 660. This still holds weight but shader performance is generally more relevant, particularly since both of these GPUs support at least DirectX 10.

The GTX 660 has a 71 MHz higher core clock speed than the FirePro W9000, but the FirePro W9000 has 8 more Render Output Units than the GTX 660. As a result, the FirePro W9000 exhibits a 6.1 GPixel/s better Pixel Fill Rate than the GTX 660. However, both GPUs support DirectX 9 or above, and pixeling performance is only really relevant when comparing older cards.

The GTX 660 was released less than a year after the FirePro W9000, and so they are likely to have similar driver support for optimizing performance when running the latest games.

Both GPUs exhibit very powerful performance, so it probably isn't worth upgrading from one to the other, as both are capable of running even the most demanding games at the highest settings.

The FirePro W9000 has 4096 MB more video memory than the GTX 660, so is likely to be much better at displaying game textures at higher resolutions. This is supported by the fact that the FirePro W9000 also has superior memory performance overall.

The FirePro W9000 has 105.4 GB/sec greater memory bandwidth than the GTX 660, which means that the memory performance of the FirePro W9000 is massively better than the GTX 660.

The GeForce GTX 660 Zotac AMP Edition has 960 Shader Processing Units and the FirePro W9000 has 2048. However, the actual shader performance of the GTX 660 is 1067 and the actual shader performance of the FirePro W9000 is 1298. The FirePro W9000 having 231 better shader performance and an altogether better performance when taking into account other relevant data means that the FirePro W9000 delivers a massively smoother and more efficient experience when processing graphical data than the GTX 660.

The FirePro W9000 requires 274 Watts to run but there is no entry for the GTX 660. We would recommend a PSU with at least 600 Watts for the FirePro W9000, but we do not have a recommended PSU wattage for the GTX 660.

Game FPS Benchmarks On Ultra

GPU Architecture

Core Speed1046 MHzvs975 MHz
Boost Clock1111 MHzvs-
ArchitectureKepler GK106-400-A1Tahiti XT
OC Potential Poor vs -
Driver Support Good vs -
Release Date01 Sep 2012vs01 Aug 2012
GPU LinkGD LinkGD Link

Resolution Performance

1366x768 - green tick vs green tick -
green tick vs -
green tick vs -
green tick vs -
green tick vs -

GPU Memory

Memory2048 MBvs6144 MB
Memory Speed1652 MHzvs1375 MHz
Memory Bus192 Bitvs384 Bit
Memory TypeGDDR5vsGDDR5
Memory Bandwidth158.6GB/secvs264GB/sec
L2 Cache 384 KB green tick vs -
Delta Color Compression no vs no
Memory Performance 0% green tick vs green tick 0%

GPU Display

Shader Processing Units960vs2048
Actual Shader Performance51%vs62%
Texture Mapping Units80vs128
Texture Rate83.7 GTexel/svs124.8 GTexel/s
Render Output Units24vs32
Pixel Rate25.1 GPixel/svs31.2 GPixel/s

GPU Outputs

Max Digital Resolution (WxH)4096x2160vs4096x2160
VGA Connections0vs0
DVI Connections2vs0
HDMI Connections1vs0
DisplayPort Connections-vs-

GPU Power Requirements

Max Power-274 Watts
Recommended PSU-600 Watts & 42 Amps

GPU Features

Shader Model5.0vs5.0
Open GL4.5vs4.2
Open CL-vs-
Notebook GPUnono

GPU Supporting Hardware

Recommended ProcessorIntel Core i5-3470 3.2GHz-
Recommended RAM8 GBvs8 GB
Maximum Recommended Gaming Resolution1920x1080vs1920x1080

Gaming Performance Value

Performance Value

GPU Mini Review

Mini ReviewGeForce GTX 660 Zotac AMP Edition a special edition of GeForce GTX 660.
The new features include a new cooling system and in terms of overclocking, the base-clock was increased from 980MHz to 1046MHz and the boost clock can now reach 1111MHz, instead of 1033MHz. The memory clock was raised to 1652MHz.
Benchmarks indicate a 5.5% performance when compared to the reference card.
FirePro W9000 is a server GPU based on the 28nm GCN architecture.
It's based on the Tahiti XT Core (same used on 7970) and therefore offers 2048 Shader Processing Units, 128 TMUs and 32 ROPs on a 384-bit interface of fast GDDR5. The central unit is clocked 975MHz while the memory clock operates at 1375MHZ.
Compared to Radeon HD 7970, its central unit is slightly higher clocked but overall its gaming performance is lower than Radeon HD 7970 because Radeon HD 7970 benefits from certified gaming drivers which unlock the GCN's architecture potential while FirePro W9000 is made for professional applications. Therefore, expect its performance to be between 1% and 3% worse than Radeon HD 7970.
Recommended CPU
Possible GPU Upgrades
GPU Variants